This product is freshly made on request! Lead time: approx. 1 week! NEW: Inoculation of Substratbags with Spore Syringes! Easier and cheaper then the PF-Tech! (For detailed instructions, please click here.) Consistency: The PF-Technic is a very simple method to produce your own mushroom cultures. The substrate consists of vermiculite, rice flour an water. We only use high quality selcted whole-grain basmati rice with all natural nutrients and vitamins. In our laboratory the rice is grinded to the optimal granulation for PF-Tech. Content: 10 PF-glasses, each 450 ml. Sterile sealed! (Note: 10 glasses fit for filling the Professional Grow Kit one time.) Just remove security tape and inoculate with spore syringes. You get ready sterilised substrate jars!For more information about further use (PF-Tech instructions, chapter 4 and following), please click here!